Why is an older fetus worrying?

aFamilyToday Health - During pregnancy, pregnant mothers often worry about whether the fetus is older than gestational age worrying and how to treat it?
aFamilyToday Health - During pregnancy, pregnant mothers often worry about whether the fetus is older than gestational age worrying and how to treat it?
The weekly size of your fetus against a fruit will give you a more interesting perspective on your baby's development.